so much at stake for president obama and millions of americans seeking health insurance. and abc's jon karl has all of the latest from the white house. good morning, jon. >> reporter: the white house is not quite declaring mission accomplished. they say they've finally achieved their first goal, getting the website improved to the point where most people can use it to pick out health insurance. after two months of system crashes and error messages, the white house says healthcare.gov is working for the vast majority of people who try to use it. in a report filled with colorful charts and graphs. the white house uses to measure its success. some 400 software bugs and hardware problems have been fixed. the website can now handle 50,000 users at a time, 800,000 a day. it's now accessible 90% of the time, up from just 40% in october. the man in charge of the website reboot, gave his bottom line in a conference call with reporters. >> healthcare.gov on december 1st is night and day from where it was on october 1st. >> reporter: independent experts say there's little doubt the